Paths/Backend Engineer/Authentication & Authorisation / OAuth & Scopes
Write the Token Policy
Short-lived access tokens, rotating refresh tokens, and a revocation path that actually works. Write the policy.
Validator
⏱ 0:00
IDLE — checks run live as you type commands; submit when done
01Requirements
live checks- File ~/.auth/token-policy.md exists○
- The policy states the lifetime of each kind of token○
- The policy states how refresh tokens rotate and how access is revoked○
02Walkthrough
1 of 4 revealed- 01
Create the auth directory
The token policy lives with the rest of the security configuration.
mkdir -p ~/.auth - 3 locked · each failed submit reveals one
03Stuck?
0 of 3 revealedTake a hint without losing the lab — each one points at the thing to look at, not at the answer.
04AI Tutor
guides, never solvesTell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?
04Notebook
saved locally in this browserlearner@lab — ubuntu:24.04
Session is disposable
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